
import 'package:flutter/material.dart';


class DemoPage extends StatelessWidget {
  const DemoPage({Key? key }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Demo页面"),
      ),
      body: const Center(
        child: Text("这里是新的页面"),
      ),
    );
  }
}